GSE DHD DTH Hammers

The DTH is the abbreviation of Down The Hole and sometimes it is also called RAB in some markets, then the RAB is short for Rotary Air Blasting

SINODRILLS GSE DHD DTH Hammers

DTH (down-the-hole) drilling involves a drilling hammer at the bottom of a drill string, the hammer is powered by compressed air transmitted via drilling rod to drive piston and produce impact power, which is then delivered into rocks for drilling and crushing. DTH drilling can be applied in mining, quarrying, water well drilling, foundation piling, etc. DTH hammer uses compressed air to produce impact power, thus to drive drill bits to crush rocks.


Features

• Premium material, fine CNC and heat-treatment manufacturing processes and optimized design;

• Good stability and reliability;

• High impact frequency;

• Lowered compressed air consumption;

• Long lifespan


Applications

Mining, quarrying, water well drilling, geothermal well drilling, foundation piling, etc.


Structure


01 - Top Sub 02 - O Ring 03 - Check Valve 04 - Spring
05 - Steel Washer 06 - Rigid Valve 07 - O Ring 08 - Internal Cylinder
09 - Pistion 10 - Out Tube 11 - Bit Retainer Ring 12 - O Ring
13 - Drive Sub



GSE-DHD3.5 DTH Hammer


Net Weight


Out Diameter GSE DHD3.5 DTH Hammer Length With Out Bits Frequency at 18 Bar


22.62 kgs


80 mm 808 mm 32 Hz


Rec. Hole Size


Working Pressure Air Consumption: M3(CBM)/min


90 mm-105 mm


8 bar - 30 bar
@10 bar @18 bar @24 bar
4.5 9.5 12.5

GSE-DHD340 DTH Hammer


Net Weight


Out Diameter GSE DHD340 DTH Hammer Length With Out Bits Frequency at 18 Bar


38.00 kgs


99 mm 881 mm
31 Hz


Rec. Hole Size


Working Pressure Air Consumption: M3(CBM)/min


108mm - 130mm


8 bar - 30 bar
@ 10 bar @ 18 bar @ 24 bar
5 10.2 15

GSE-DHD350 DTH Hammer


Net Weight


Out Diameter GSE DHD350 DTH Hammer Length With Out Bits Frequency at 18 Bar


74.0 kgs


126 mm 1028 mm
30 Hz


Rec. Hole Size


Working Pressure Air Consumption: M3(CBM)/min


134mm - 152mm


8 bar - 30 bar
@ 10 bar @ 18 bar @ 24 bar
7.5 14.7 19.5



GSE-DHD360 DTH Hammer


Net Weight


Out Diameter GSE DHD360 DTH Hammer Length With  Out Bits Frequency at 18 Bar


112 kgs


144 mm 1135 mm 28 Hz


Rec. Hole Size


Working Pressure Air Consumption: M3(CBM)/min


154mm - 254mm


8 bar - 30 bar
@ 10 bar @ 18 bar @ 24 bar
8.7 14.5 25

GSE-DHD380 DTH Hammer


Net Weight


Out Diameter GSE DHD 380 DTH Hammer Length With Out Bits Frequency at 18 Bar


180.0 kgs


182 mm 1228 mm
23 Hz


Rec. Hole Size


Working Pressure Air Consumption: M3(CBM)/min


203mm - 305mm


8 bar - 30 bar
@ 10 bar @ 18 bar @ 24 bar
12 26 35
Please contact our sales team for more specifications.


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